To which lower-elevation regions does the entire population of Western Tanagers migrate to escape harsh northern winters?
Answer
Mexico and sometimes as far as Central America
The Western Tanager engages in a substantial, long-distance migratory commitment dictated by seasonal changes in resource availability. Upon the approach of winter in their high-elevation breeding grounds, the entire species population moves south. These southern destinations provide a necessary escape from harsh northern conditions and allow the birds to capitalize on insect abundance available in warmer climates. The primary wintering range encompasses Mexico, with some individuals extending their journey further south into Central America, demonstrating a deep evolutionary reliance on this geographically distant, lower-elevation ecosystem.
Related Questions
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